/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemComponent.h
We allow a list of delegates to decide if the application of a Gameplay Effect can be blocked. If it's blocked, it will call the ImmunityBlockGE above
typedef TBaseDelegate_TwoParams< bool, const [FActiveGameplayEffectsContainer](API\Plugins\GameplayAbilities\FActiveGameplayEffectsContainer) &, const [FGameplayEffectSpec](API\Plugins\GameplayAbilities\FGameplayEffectSpec) & > FGameplayEffectApplicationQuery